import Vue from 'vue'
import VueRouter from 'vue-router'
import Login from '../components/Login.vue'
import Home from '../components/Home.vue'
import Welcome from '../components/Welcome.vue'
import Users from '../components/user/Users.vue'
import Rights from '../components/power/Rights.vue'
import Roles from '../components/power/Roles.vue'
import Cate from '../components/goods/Cate.vue'
import Params from '../components/goods/Params.vue'
import GoodsList from '../components/goods/List.vue'
import Add from '../components/goods/Add.vue'
import Order from '../components/order/Order.vue'
import Report from '../components/report/Report.vue'

Vue.use(VueRouter)


const router = new VueRouter({
    routes: [{
            path: '/',
            redirect: '/Login'
        },
        {
            path: '/Login',
            component: Login
        },
        {
            path: '/Home',
            component: Home,
            redirect: '/welcome',
            children: [
                { path: '/welcome', component: Welcome },
                { path: '/users', component: Users },
                { path: '/rights', component: Rights },
                { path: '/roles', component: Roles },
                { path: '/categories', component: Cate },
                { path: '/params', component: Params },
                { path: '/goods', component: GoodsList },
                { path: '/goods/add', component: Add },
                { path: '/orders', component: Order },
                { path: '/reports', component: Report }
            ]
        },
    ]
})

// 挂载路由导航守卫
router.beforeEach((to, from, next) => {
    // to 将要访问的路径
    // from 代表从那个路径跳转出来
    // next 是一个函数,表示放行
    //  next () 放行 next(./login) 强制跳转
    if (to.path === '/login') return next()
        // 获取token
    const tokenStr = window.sessionStorage.getItem('token')
    if (!tokenStr) return next('/login')
    next()
})



export default router